| http://www.w3.org/ns/prov#value | - members and having a face in abutting relationship with said housing, one of said sealing means being positioned downstream of one of said threaded ends, and the other of said sealing means being positioned upstream of the other of said threaded ends; and a sleeve disposed interiorly of said housing and including a port and shiftable between first and second position for selectively communicating
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